Magma Chamber-pocket with lava under volcano Pipe-tube that connects magma chamber to volcano Vent-opening in volcano where gas and magma come out Lava flow-the area covered by lava that comes out of the vent. Crater-bowl shaped area at top of volcano Silica-material formed from oxygen and silicon Pahoehoe-a fast moving hot lava. Pyroclastic flow-occurs when an explosive eruption hurls out ash,cinders,and bombs as well as gases. Active-live volcano Dormant-sleeping volcano Extinct-dead volcano Hot spring-ground water heated by magma below Geothermal energy-energy from hot spring
Table of Contents
Vocabulary
Magma Chamber-pocket with lava under volcano
Pipe-tube that connects magma chamber to volcano
Vent-opening in volcano where gas and magma come out
Lava flow-the area covered by lava that comes out of the vent.
Crater-bowl shaped area at top of volcano
Silica-material formed from oxygen and silicon
Pahoehoe-a fast moving hot lava.
Pyroclastic flow-occurs when an explosive eruption hurls out ash,cinders,and bombs as well as gases.
Active-live volcano
Dormant-sleeping volcano
Extinct-dead volcano
Hot spring-ground water heated by magma below
Geothermal energy-energy from hot spring
Outline
How Magma Reaches Earth's Surface
Inside a Volcano
Characteristics of Magma
Types Volcanic Eruptions
Stages of a Volcano
Other Types of Volcanic Activity
Monitoring Volcanoes
Volcano Hazards